Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022785 | Step attenuator circuit with improved insertion loss | — | 2011-09-20 |
| 6888423 | Electronic filter assembly | Andrew F. Tresness, Jerry Gould | 2005-05-03 |
| 6323743 | Electronic filter assembly | Jerry Gould, Andrew F. Tresness | 2001-11-27 |
| 5999796 | Return path attenuation filter | Andrew F. Tresness | 1999-12-07 |
| 5745838 | Return path filter | Andrew F. Tresness | 1998-04-28 |
| RE34720 | Television signal enhancement and scrambling system | — | 1994-09-06 |
| 5157362 | Narrow band notch filter with extended passband | — | 1992-10-20 |
| 5022078 | Television signal enhancement and scrambling system | — | 1991-06-04 |
| 4590519 | Television signal scrambling/descrambling system | — | 1986-05-20 |
| 4222066 | CATV Subscription service control device and attenuator therefor | — | 1980-09-09 |